Home / 446,221.72-615,782.55-242,268.61

Finding the Fourth Proportional to 446,221.72, 615,782.55 and 242,268.61

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Solution

The fourth proportional to 446,221.72, 615,782.55 and 242,268.61 is: 334,328.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,221.72 : 615,782.55 = 242,268.61 : x
  2. Step 2: Convert to fraction form
    446,221.72/615,782.55 = 242,268.61/x
  3. Step 3: Cross multiply
    446,221.72x = 615,782.55 × 242,268.61
  4. Step 4: Simplify right side
    446,221.72x = 149,184,782,450.76
  5. Step 5: Solve for x
    x = 149,184,782,450.76/446,221.72
  6. Step 6: Final answer
    x = 334,328.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.